Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ryan Matthew Maciak, DO

Individual provider Internal Medicine Physician · NPI 1629496716

Dr. Ryan Matthew Maciak, DO is an Internal Medicine in Erie, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2014, 12 years ago. Practices with Regional Health Services Inc, a 576-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
12
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

201 State St
Erie, PA 16550-0002
Phone: (814) 877-4922
Fax: (814) 877-3622
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS018596 (PA)

Record details

NPI number1629496716
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 4, 2014
Last updated in NPPESJanuary 17, 2020
Certification dateJanuary 17, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2014 (12 years in practice)
Group practice Regional Health Services Inc — 576 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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